Khan/khan-exercises — Issue #5039: Trigonometry 1 - oh
Author: KhanBugz
Created: 2011-10-26 18:37:17+00:00
State: open
Labels: safari

ha ha ha ha ha ha ha ha ha ha

[trigonometry_1.html?seed=21&problem=cosTrig1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_1.html?seed=21&problem=cosTrig1&debug)

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